<ul class="breadcrumb">
  <li><a href="/">首页</a> <span class="divider">/</span></li>
  <li><a href="/tclasses">课程信息</a> <span class="divider">/</span></li>
  <li><%= link_to @tclass.title, @tclass %> <span class="divider">/</span></li>
  <li class="active">编辑信息</li>
</ul>
<%= render 'form' %>

